J of Pharmaceutical Analysis2020, doi: 10.1016 Baicalin, Glycyrrhizin, Notopterol, Xanthotoxol, Oxypeucedanin, Methyleugenol and Catalpol were obtained from ChemFaces
Chem. of Vegetable Raw Materials2020, 97-105 Caffeic acid, Chicoric acid, Echinacoside, 5-O-caffeylquinic acid, 3,5-di-O-caffeylquinic acid, 3-O-Feruloylquinic acid and 5-O-feruloylquinic acid were purchased from ChemFaces